package/lqtapi/src/mps/mps.h

   1 #ifndef __MPS_H__
   2 #define __MPS_H__
   3
   4 #include <linux/platform_device.h>
   5 #include <linux/completion.h>
   6
   7 struct mps_fifo_config
   8 {
   9         size_t head_addr;
  10         size_t tail_addr;
  11         size_t base_addr;
  12         size_t size_addr;
  13
  14         size_t base;
  15         size_t size;
  16 };
  17
  18 struct mps_fifo {
  19         void __iomem *base;
  20         void __iomem *head_addr;
  21         void __iomem *tail_addr;
  22         uint32_t size;
  23 };
  24
  25 struct mps_mailbox {
  26         struct mps_fifo upstream;
  27         struct mps_fifo downstream;
  28 };
  29
  30 enum mps_boot_config
  31 {
  32         MPS_BOOT_LEGACY = 1,
  33         MPS_BOOT_ENCRYPTED = 2,
  34 };
  35
  36 struct mps {
  37         struct resource *res;
  38         void __iomem *base;
  39
  40         struct resource *mbox_res;
  41         void __iomem *mbox_base;
  42
  43         struct resource *cp1_res;
  44         void __iomem *cp1_base;
  45
  46         struct device *dev;
  47
  48         int irq_ad0;
  49         int irq_ad1;
  50         int irq_base;
  51 };
  52
  53 void mps_configure_fifo(struct mps *mps, struct mps_fifo *fifo,
  54         const struct mps_fifo_config *config);
  55
  56 void mps_configure_mailbox(struct mps *mps, struct mps_mailbox *mbox,
  57         const struct mps_fifo_config *upstream_config,
  58         const struct mps_fifo_config *downstream_config);
  59
  60 void mps_load_firmware(struct mps *mps, const void *data, size_t size,
  61         enum mps_boot_config config);
  62
  63 static inline struct mps *device_to_mps(struct device *dev)
  64 {
  65         return (struct mps *)dev_get_drvdata(dev);
  66 }
  67
  68 /* fifo */
  69 void mps_fifo_init(struct mps_fifo *fifo, void __iomem *data_addr,
  70         void __iomem *head_addr, void __iomem *tail_addr, uint32_t size);
  71 void mps_fifo_in(struct mps_fifo *fifo, const uint32_t *from, size_t len);
  72 void mps_fifo_out(struct mps_fifo *fifo, uint32_t *to, size_t len);
  73 uint32_t mps_fifo_peek(struct mps_fifo *fifo);
  74 void mps_fifo_reset(struct mps_fifo *fifo);
  75 size_t mps_fifo_len(struct mps_fifo *fifo);
  76
  77 /* Mailbox */
  78 int mps_mailbox_init(struct mps_mailbox *mbox, const char *name, int irq);
  79 int mps_mailbox_command_read(struct mps_mailbox *mbox, uint32_t cmd,
  80         uint32_t *result);
  81 int mps_mailbox_command_write(struct mps_mailbox *mbox, uint32_t cmd,
  82         const uint32_t *data);
  83
  84
  85 #endif